28 cm SK L/50 gun

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28 cm SK L/50
SMS-Seydlitz-(1912) 28cm-Kanonenrohr.JPG
Preserved barrel from SMS Seydlitz damaged during the Battle of Jutland in 1916
Type Naval gun
Coast-defence gun
Place of origin German Empire
Service history
In service 1911—1945
Used by German Empire
Nazi Germany
Wars World War I
World War II
Production history
Designer Krupp
Designed 1909—11
Manufacturer Krupp
Produced 1911—1915?
Specifications
Weight 41.5 metric tons (40.8 long tons; 45.7 short tons)
Length 14.15 m (46 ft 5 in)
Barrel length 13.421 m (44 ft 0.4 in) (bore length)

Shell separate-loading, case charge
Shell weight 284–302 kg (626–666 lb)
Caliber 283 millimeters (11.1 in)
Breech horizontal sliding-wedge
Muzzle velocity 880–895 m/s (2,890–2,940 ft/s)

The 28 cm SK L/50 was a German naval gun that was used in World War I and World War II.[Note 1] Originally a naval gun, it was adapted for land service after World War I.

Description[edit]

The 28 cm SK L/50 gun weighed 41.5 tonnes (40.8 long tons; 45.7 short tons), had an overall length of 14.15 meters (46 ft 5 in) and its bore length was 13.421 meters (44.03 ft). Although called 28 centimeters (11 in), its actual caliber was 28.3 centimeters (11.1 in). It used the Krupp horizontal sliding block, or "wedge", as it is sometimes referred to, breech design rather than the interrupted screw used commonly used in heavy guns of other nations. This required that the propellant charge be loaded in a metal, usually brass, case which provides obturation i.e. seals the breech to prevent escape of the expanding propellant gas.


Coast defense guns[edit]

A C/37 Coastal Mounting was utilised for coastal guns. Battery Coronel at Borkum, Germany mounted four guns and Battery Grosser Kurfürst at Framzelle, France mounted four.[1]

See also[edit]

Footnotes[edit]

Notes
  1. ^ SK - Schnelladekanone (quick loading cannon); L - Länge in Kaliber (length in caliber)
Citations

References[edit]

  • Campbell, John (2002). Naval Weapons of World War Two. London: Conway Maritime Press. ISBN 0-87021-459-4. 
  • Gander, Terry; Chamberlain, Peter (1979). Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939–1945. New York: Doubleday. ISBN 0-385-15090-3. 
  • Hogg, Ian V. (1997). German Artillery of World War Two (2nd corrected ed.). Mechanicsville, PA: Stackpole Books. ISBN 1-85367-480-X. 
  • Rolf, Rudi (1998). Der Atlantikwall: Bauten der deutschen Küstenbefestigungen 1940–1945. Osnabrück: Biblio. ISBN 3-7648-2469-7. 
  • Rolf, Rudi (2004). A Dictionary on Modern Fortification: An Illustrated Lexicon on European Fortification in the Period 1800–1945. Middleburg, Netherlands: PRAK. OCLC 902142295. 

External links[edit]